UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of Earliest Event Reported): January 25, 2010

Volterra Semiconductor Corporation
__________________________________________
(Exact name of registrant as specified in its charter)

Delaware	000-50857	94-3251865
_____________________ (State or other jurisdiction	_____________ (Commission	______________ (I.R.S. Employer
of incorporation)	File Number)	Identification No.)
47467 Fremont Blvd., Fremont, California		94538
_________________________________ (Address of principal executive offices)		___________ (Zip Code)

Registrant’s telephone number, including area code: 510 743 1200

Not Applicable
______________________________________________
Former name or former address, if changed since last report

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

[  ]  Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
[  ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
[  ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
[  ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 2.02 Results of Operations and Financial Condition.

Item 2.02 Results of Operations and Financial Condition.

On January 25, 2010, Volterra Semiconductor Corporation (the "Company") issued a press release announcing its financial results for its fourth quarter and fiscal year ended December 31, 2009. The press release, dated January 25, 2010, is attached hereto as Exhibit 99.1.

The information contained in this report and the exhibit attached hereto is furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. The information contained herein and the exhibit attached hereto shall not be incorporated by reference into any filing with the Securities and Exchange Commission made by the Company, whether made before or after the date hereof, except as shall be expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

Item 9.01 Financial Statements and Exhibits.

The following exhibit is furnished with this document:

Exhibit
Number............................Description of Exhibit
99.1..............................Press Release dated January 25, 2010

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	Volterra Semiconductor Corporation
January 25, 2010	By:	/s/ David Oh
		Name: David Oh
		Title: General Counsel

Exhibit Index

Exhibit No.	Description
99.1	Press Release dated January 25, 2010